In traditional DEA models, each DMU is considered as a black box, which, as mentioned earlier, only suffices to the consumed input and the final output for evaluation and efficiency can be calculated by many models such as SBM [8, 9].

DMU is a key element of the Airbus Concurrent Engineering (ACE) initiative, which is a systematic approach to aircraft development, using best in class-in-class tools and methods in a virtual 3D environment.

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